<template>
  <div>
        <button @click="decrease()">-</button>
      {{ count }}
      <button @click="increase()">+</button>
    </div>
</template>

<script setup>
// import "../css/btn.css"
import {ref} from "vue"

let count=ref(10000);
function decrease(){
    count.value--;
}
function increase(){
    count.value++;
}
</script>

<style>
button{
    border: solid 20px blue;
    background-color:coral;
}
</style>